Home / 87,321.23-130,872.26-37,342.56

Finding the Fourth Proportional to 87,321.23, 130,872.26 and 37,342.56

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Solution

The fourth proportional to 87,321.23, 130,872.26 and 37,342.56 is: 55,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,321.23 : 130,872.26 = 37,342.56 : x
  2. Step 2: Convert to fraction form
    87,321.23/130,872.26 = 37,342.56/x
  3. Step 3: Cross multiply
    87,321.23x = 130,872.26 × 37,342.56
  4. Step 4: Simplify right side
    87,321.23x = 4,887,105,221.39
  5. Step 5: Solve for x
    x = 4,887,105,221.39/87,321.23
  6. Step 6: Final answer
    x = 55,966.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.